Finding the Fourth Proportional to 2,501.76, 3,451.77 and 1,616.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.76 : 3,451.77 = 1,616.16 : x
2. Step 2: Convert to fraction form
   2,501.76/3,451.77 = 1,616.16/x
3. Step 3: Cross multiply
   2,501.76x = 3,451.77 × 1,616.16
4. Step 4: Simplify right side
   2,501.76x = 5,578,612.60
5. Step 5: Solve for x
   x = 5,578,612.60/2,501.76
6. Step 6: Final answer
   x = 2,229.88